Sound Meter with Connectivity to ExView® App

Extech SL250W - Extech Instruments Corporation

The SL250W is a compact Sound Meter with Bluetooth® connectivity, which allows building and maintenance professionals to view and share sound level data directly from a mobile device using the free ExView app. With the capability to capture data, display trends, set visual and audio alarms, and send reports, users can gain deeper insights on workplace comfort and public health.

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Sound Level Meters

Extech Instruments Corporation

*Calibrates and verifies Sound Level Meter operation*Battery test position with battery status LED indicates if battery is good*For use on Sound Level Meters with 0.5" or 1.0" microphones*Durable die-cast, aluminum housing

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94dB Sound Calibrator - 1kHz Professional Calibrator for 0.5" or 1.0" Microphones

Extech 407744 - Extech Instruments Corporation

This 1kHz, 94dB professional sound calibrator for 0.5" or 1.0" microphones calibrates and verifies sound level meter operation. Battery test position with battery status LED indicates if battery is good. Durable die-cast aluminum housing generates a 1kHz sine wave at 94dB to an accuracy of 5% (frequency) and ±0.5dB (94dB). Meets IEC standard 60942 1997-11. Complete with two 9V batteries, carrying case, and screwdriver.

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94/114dB Sound Calibrator - 1kHz Professional Calibrator for 0.5" or 1.0" Microphones

Extech 407766 - Extech Instruments Corporation

This 1kHz 94/114dB professional sound calibrator is for 0.5 in. or 1 in. microphones. Calibrates and verifies sound level meter operation. Level position switch to select 94dB or 114dB with power on LED indicator light. Durable die-cast aluminum housing generates a 1kHz sine wave at 94dB/114dB to an accuracy of 5% (frequency) and ±0.5dB (94dB)/±1.0dB (114dB). Meets IEC standard 60942 1997-11. Comes complete with two 9V batteries, carrying case and screwdriver.

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Sound Level Alert with Alarm

Extech SL130W - Extech Instruments Corporation

The SL130W is a sound level alert with alarm for continuous monitoring of sound levels. Ideal for industrial, hospital, auditoriums, schools and other areas where there is a need for being alerted when sound level reaches set points. Bright LEDs (red flashing or green) alert user when sound level is too high or too low - LEDs can be read from 30m (100ft). You can set the SL130 so the RED LEDs flash when the sound level is below the"LO" set point where people in the audience may not be able to hear. When the sound level is above the "LO" set point, the GREEN LEDs indicate the sound level is acceptable. You can reverse the Red and Green LEDs activation per user color preference. Wall, desk or tripod mount with optional 15ft (5m) microphone extension cable for remote monitoring. User settable high or low limit (30 to 130dB) with output to drive external relay module. Meets ANSI Type 2 and EN 60651 accuracy specs - compliant to OSHA. Complete with 100-240V AC 50/60Hz adapter and microphone wind cover. 8 x AA batteries (not included) can be used for monitoring function only without LED alert.

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USB Sound Level Datalogger - Compact, High Accuracy Sound Level Datalogger with Tripod

Extech 407760 - Extech Instruments Corporation

407760 Sound Level Datalogger can record up to 129,920 records and uses a USB interface for easy setup and data download. The datalogger meets ANSI and IEC 61672 Class 2 standards with a 1.4dB accuracy. Additional features include A and C weighting, Fast/Slow response time, and 2 start methods: programmed (from PC) or manual. Comes complete with software, tripod, USB extension cable, windscreen, and 3.6-Volt Lithium battery.

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Integrating Sound Level Meter with USB - Leq and SEL Measurements with Built-In Datalogger and PC Interface

Extech 407780A - Extech Instruments Corporation

The 407780A is an integrating sound level meter with USB. The meter takes Leq and SEL measurements with A and C frequency weighting options. The meter has a built in datalogger that records up to 32,000 records and PC interface to easily access your logged information. Its 4 digit multifunction LCD has an analog bargraph and digital reading. With the 407780A you can program integration times, utilize impulse, fast or slow response settings and benefit from alarm features. Complete with windscreen, adjustment screwdriver, USB cable, Windows compatible software, battery, one year warranty and case.

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Low/High Range Sound Level Meter

Extech 407732 - Extech Instruments Corporation

This type 2 sound level meter meets ANSI and IEC 651 Type 2 standards. Ideal for noise surveys in the workplace, installing fire alarms and speaker systems and enforcing noise ordinances. Measures from 35 to 130dB in 2-ranges with accuracy of plus or minus 1.5dB. Data hold and Max hold functions. Backlit display allows use in dimly lit areas. Complete with microphone wind screen and 9V battery.

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Real Time Octave Band Analyzer - Type 2 Integrating Sound Level Meter with Octave and 1/3 Octave Band Real Time Display

Extech 407790A - Extech Instruments Corporation

Extech’s Type 2 Integrating Sound Level Meter with Octave and 1/3 Octave Band Real Time is displayed on a large 3.5" 320x240 TFT color backlit LCD.

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Sound Level Meter - High-Accuracy Sound Level Meter with A and C Weighting, Fast/Slow Response Modes

Extech SL510 - Extech Instruments Corporation

Extech’s ultra-compact sound meter meets class 2 standards with ±1dB high accuracy that allows for quick and reliable sound level testing. It features a large backlit display for easy viewing and measures A & C weighting from 35 to 130dB with Fast and Slow response time mode. Size is small enough to conveniently fit in your pocket and includes a wrist strap.

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Sound Level Meter with PC Interface

Extech 407750 - Extech Instruments Corporation

The 407750 Sound Level Meter with PC Interface has a large backlit display, PC Interface and background sound absorber for noise measurements with high ambient noise levels. It features A/C Weighting, fast/slow response time, Min/Max, and analog AC/DC outputs for connection to a recorder. Complete with microphone wind screen, 9V battery and case.

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Sound Level Meter/Datalogger

Extech SDL600 - Extech Instruments Corporation

The SDL600 records data on an SD card in Excel format. High accuracy ±1.4dB meets ANSI and IEC 61672-1 Type 2 standards. 30 to 130dB measurement range. Auto or Manual ranging. AC analog output for connection to an analyzer or recorder. Large backlit LCD display. Stores 99 readings manually and 20M readings via 2G SD card. Datalogger date/time stamps and stores readings on an SD card in Excel format for easy transfer to a PC. User programmable sampling rate from 1 to 3600 seconds. Featuring Min/Max, Data Hold, and Auto Power Off functions. Complete with 6 AA batteries, SD Card, wind screen, and hard carrying case.

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Type 2 Sound Meter Kit

Extech 407732-KIT - Extech Instruments Corporation

This Type 2 Sound Level Meter Kit meets ANSI and IEC 651 Type 2 standards. Ideal for noise surveys in the workplace, installing fire alarms and speaker systems and enforcing noise ordinances. Measures from 35 to 130 dB in 2 ranges and has an accuracy of ±1.5 dB. Data hold and Max hold functions. Backlit display allows use in dimly lit areas. Includes plastic carrying case for meter and calibrator.

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Digital Sound Level Meter

Extech 407730 - Extech Instruments Corporation

The 407730 sound level meter measures from 40 to 130dB with an accuracy of 2dB. The digital display offers a 0.1dB resolution and features a fast responding analog bar graph. User can choose A or C weighting. Max Hold captures highest reading. Includes microphone wind screen and four AAA batteries.

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15ft (4.7m) Microphone Extension Cable

Extech 407764-EXT - Extech Instruments Corporation

The Extech 407764-EXT is a 4.7 m (15 ft) Microphone Extension Cable for use with the 407355, 407780, and 407790 Sound Level Meters.

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Microphone Extension Cable

Extech SL125 - Extech Instruments Corporation

The Extech SL125 is for use with SL130G/SL130W Sound Level Monitors. It extends microphones up to 5 m (15 ft) for remote operation.

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Personal Noise Dosimeter with USB Interface

Extech SL400 - Extech Instruments Corporation

Sound level monitoring is essential to determine what protective measures are required for employees who are routinely exposed to loud noise. Perform noise surveys in compliance with OSHA, MSHA, DOD, ACGIH, and ISO standards with the Extech SL400 dosimeter. An SL400 noise accumulation survey can determine total sound exposure over an 8-hour period. This compact, lightweight dosimeter can also serve as a sound level meter, logging up to 999,999 readings with sampling times between 1 second and 24 hours. An optional 94 dB calibrator allows you to perform before-and-after calibration checks, per ANSI standards. The SL400 comes with PC software to control setup and retrieve stored events or analyze real-time measurements.

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